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/*
* Copyright 2003 through 2004 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of Marc Aurele La France not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Marc Aurele La France makes no representations
* about the suitability of this software for any purpose. It is provided
* "as-is" without express or implied warranty.
*
* MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
* EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ati.h"
#include "aticursor.h"
#include "atimach64accel.h"
#include "atimach64io.h"
/*
* ATIMach64SetCursorColours --
*
* Set hardware cursor foreground and background colours.
*/
static void
ATIMach64SetCursorColours
(
ScrnInfoPtr pScreenInfo,
int fg,
int bg
)
{
ATIPtr pATI = ATIPTR(pScreenInfo);
outr(CUR_CLR0, SetBits(fg, CUR_CLR));
outr(CUR_CLR1, SetBits(bg, CUR_CLR));
}
/*
* ATIMach64SetCursorPosition --
*
* Set position of hardware cursor.
*/
static void
ATIMach64SetCursorPosition
(
ScrnInfoPtr pScreenInfo,
int x,
int y
)
{
ATIPtr pATI = ATIPTR(pScreenInfo);
CARD16 CursorXOffset, CursorYOffset;
/* Adjust x & y when the cursor is partially obscured */
if (x < 0)
{
if ((CursorXOffset = -x) > 63)
CursorXOffset = 63;
x = 0;
}
else
{
CursorXOffset = pScreenInfo->frameX1 - pScreenInfo->frameX0;
if (x > CursorXOffset)
x = CursorXOffset;
CursorXOffset = 0;
}
if (y < 0)
{
if ((CursorYOffset = -y) > 63)
CursorYOffset = 63;
y = 0;
}
else
{
CursorYOffset = pScreenInfo->frameY1 - pScreenInfo->frameY0;
if (y > CursorYOffset)
y = CursorYOffset;
CursorYOffset = 0;
}
/* Adjust for multiscanned modes */
if (pScreenInfo->currentMode->Flags & V_DBLSCAN)
y *= 2;
if (pScreenInfo->currentMode->VScan > 1)
y *= pScreenInfo->currentMode->VScan;
do
{
if (CursorYOffset != pATI->CursorYOffset)
{
pATI->CursorYOffset = CursorYOffset;
outr(CUR_OFFSET, ((CursorYOffset << 4) + pATI->CursorOffset) >> 3);
}
else if (CursorXOffset == pATI->CursorXOffset)
break;
pATI->CursorXOffset = CursorXOffset;
outr(CUR_HORZ_VERT_OFF, SetBits(CursorXOffset, CUR_HORZ_OFF) |
SetBits(CursorYOffset, CUR_VERT_OFF));
} while (0);
outr(CUR_HORZ_VERT_POSN,
SetBits(x, CUR_HORZ_POSN) | SetBits(y, CUR_VERT_POSN));
}
/*
* ATIMach64LoadCursorImage --
*
* Copy hardware cursor image into offscreen video memory.
*/
static void
ATIMach64LoadCursorImage
(
ScrnInfoPtr pScreenInfo,
CARD8 *pImage
)
{
ATIPtr pATI = ATIPTR(pScreenInfo);
CARD32 *pSrc = (pointer)pImage;
volatile CARD32 *pDst = pATI->pCursorImage;
#ifdef XF86DRI_DEVEL
/* XAA Sync requires the DRM lock if DRI enabled */
ATIDRILock(pScreenInfo);
#endif /* XF86DRI_DEVEL */
/* Synchronise video memory accesses */
ATIMach64Sync(pScreenInfo);
# if defined(ATIMove32)
{
ATIMove32(pDst, pSrc, 256);
}
# else
{
/* This is lengthy, but it does maximise burst modes */
pDst[ 0] = pSrc[ 0]; pDst[ 1] = pSrc[ 1];
pDst[ 2] = pSrc[ 2]; pDst[ 3] = pSrc[ 3];
pDst[ 4] = pSrc[ 4]; pDst[ 5] = pSrc[ 5];
pDst[ 6] = pSrc[ 6]; pDst[ 7] = pSrc[ 7];
pDst[ 8] = pSrc[ 8]; pDst[ 9] = pSrc[ 9];
pDst[ 10] = pSrc[ 10]; pDst[ 11] = pSrc[ 11];
pDst[ 12] = pSrc[ 12]; pDst[ 13] = pSrc[ 13];
pDst[ 14] = pSrc[ 14]; pDst[ 15] = pSrc[ 15];
pDst[ 16] = pSrc[ 16]; pDst[ 17] = pSrc[ 17];
pDst[ 18] = pSrc[ 18]; pDst[ 19] = pSrc[ 19];
pDst[ 20] = pSrc[ 20]; pDst[ 21] = pSrc[ 21];
pDst[ 22] = pSrc[ 22]; pDst[ 23] = pSrc[ 23];
pDst[ 24] = pSrc[ 24]; pDst[ 25] = pSrc[ 25];
pDst[ 26] = pSrc[ 26]; pDst[ 27] = pSrc[ 27];
pDst[ 28] = pSrc[ 28]; pDst[ 29] = pSrc[ 29];
pDst[ 30] = pSrc[ 30]; pDst[ 31] = pSrc[ 31];
pDst[ 32] = pSrc[ 32]; pDst[ 33] = pSrc[ 33];
pDst[ 34] = pSrc[ 34]; pDst[ 35] = pSrc[ 35];
pDst[ 36] = pSrc[ 36]; pDst[ 37] = pSrc[ 37];
pDst[ 38] = pSrc[ 38]; pDst[ 39] = pSrc[ 39];
pDst[ 40] = pSrc[ 40]; pDst[ 41] = pSrc[ 41];
pDst[ 42] = pSrc[ 42]; pDst[ 43] = pSrc[ 43];
pDst[ 44] = pSrc[ 44]; pDst[ 45] = pSrc[ 45];
pDst[ 46] = pSrc[ 46]; pDst[ 47] = pSrc[ 47];
pDst[ 48] = pSrc[ 48]; pDst[ 49] = pSrc[ 49];
pDst[ 50] = pSrc[ 50]; pDst[ 51] = pSrc[ 51];
pDst[ 52] = pSrc[ 52]; pDst[ 53] = pSrc[ 53];
pDst[ 54] = pSrc[ 54]; pDst[ 55] = pSrc[ 55];
pDst[ 56] = pSrc[ 56]; pDst[ 57] = pSrc[ 57];
pDst[ 58] = pSrc[ 58]; pDst[ 59] = pSrc[ 59];
pDst[ 60] = pSrc[ 60]; pDst[ 61] = pSrc[ 61];
pDst[ 62] = pSrc[ 62]; pDst[ 63] = pSrc[ 63];
pDst[ 64] = pSrc[ 64]; pDst[ 65] = pSrc[ 65];
pDst[ 66] = pSrc[ 66]; pDst[ 67] = pSrc[ 67];
pDst[ 68] = pSrc[ 68]; pDst[ 69] = pSrc[ 69];
pDst[ 70] = pSrc[ 70]; pDst[ 71] = pSrc[ 71];
pDst[ 72] = pSrc[ 72]; pDst[ 73] = pSrc[ 73];
pDst[ 74] = pSrc[ 74]; pDst[ 75] = pSrc[ 75];
pDst[ 76] = pSrc[ 76]; pDst[ 77] = pSrc[ 77];
pDst[ 78] = pSrc[ 78]; pDst[ 79] = pSrc[ 79];
pDst[ 80] = pSrc[ 80]; pDst[ 81] = pSrc[ 81];
pDst[ 82] = pSrc[ 82]; pDst[ 83] = pSrc[ 83];
pDst[ 84] = pSrc[ 84]; pDst[ 85] = pSrc[ 85];
pDst[ 86] = pSrc[ 86]; pDst[ 87] = pSrc[ 87];
pDst[ 88] = pSrc[ 88]; pDst[ 89] = pSrc[ 89];
pDst[ 90] = pSrc[ 90]; pDst[ 91] = pSrc[ 91];
pDst[ 92] = pSrc[ 92]; pDst[ 93] = pSrc[ 93];
pDst[ 94] = pSrc[ 94]; pDst[ 95] = pSrc[ 95];
pDst[ 96] = pSrc[ 96]; pDst[ 97] = pSrc[ 97];
pDst[ 98] = pSrc[ 98]; pDst[ 99] = pSrc[ 99];
pDst[100] = pSrc[100]; pDst[101] = pSrc[101];
pDst[102] = pSrc[102]; pDst[103] = pSrc[103];
pDst[104] = pSrc[104]; pDst[105] = pSrc[105];
pDst[106] = pSrc[106]; pDst[107] = pSrc[107];
pDst[108] = pSrc[108]; pDst[109] = pSrc[109];
pDst[110] = pSrc[110]; pDst[111] = pSrc[111];
pDst[112] = pSrc[112]; pDst[113] = pSrc[113];
pDst[114] = pSrc[114]; pDst[115] = pSrc[115];
pDst[116] = pSrc[116]; pDst[117] = pSrc[117];
pDst[118] = pSrc[118]; pDst[119] = pSrc[119];
pDst[120] = pSrc[120]; pDst[121] = pSrc[121];
pDst[122] = pSrc[122]; pDst[123] = pSrc[123];
pDst[124] = pSrc[124]; pDst[125] = pSrc[125];
pDst[126] = pSrc[126]; pDst[127] = pSrc[127];
pDst[128] = pSrc[128]; pDst[129] = pSrc[129];
pDst[130] = pSrc[130]; pDst[131] = pSrc[131];
pDst[132] = pSrc[132]; pDst[133] = pSrc[133];
pDst[134] = pSrc[134]; pDst[135] = pSrc[135];
pDst[136] = pSrc[136]; pDst[137] = pSrc[137];
pDst[138] = pSrc[138]; pDst[139] = pSrc[139];
pDst[140] = pSrc[140]; pDst[141] = pSrc[141];
pDst[142] = pSrc[142]; pDst[143] = pSrc[143];
pDst[144] = pSrc[144]; pDst[145] = pSrc[145];
pDst[146] = pSrc[146]; pDst[147] = pSrc[147];
pDst[148] = pSrc[148]; pDst[149] = pSrc[149];
pDst[150] = pSrc[150]; pDst[151] = pSrc[151];
pDst[152] = pSrc[152]; pDst[153] = pSrc[153];
pDst[154] = pSrc[154]; pDst[155] = pSrc[155];
pDst[156] = pSrc[156]; pDst[157] = pSrc[157];
pDst[158] = pSrc[158]; pDst[159] = pSrc[159];
pDst[160] = pSrc[160]; pDst[161] = pSrc[161];
pDst[162] = pSrc[162]; pDst[163] = pSrc[163];
pDst[164] = pSrc[164]; pDst[165] = pSrc[165];
pDst[166] = pSrc[166]; pDst[167] = pSrc[167];
pDst[168] = pSrc[168]; pDst[169] = pSrc[169];
pDst[170] = pSrc[170]; pDst[171] = pSrc[171];
pDst[172] = pSrc[172]; pDst[173] = pSrc[173];
pDst[174] = pSrc[174]; pDst[175] = pSrc[175];
pDst[176] = pSrc[176]; pDst[177] = pSrc[177];
pDst[178] = pSrc[178]; pDst[179] = pSrc[179];
pDst[180] = pSrc[180]; pDst[181] = pSrc[181];
pDst[182] = pSrc[182]; pDst[183] = pSrc[183];
pDst[184] = pSrc[184]; pDst[185] = pSrc[185];
pDst[186] = pSrc[186]; pDst[187] = pSrc[187];
pDst[188] = pSrc[188]; pDst[189] = pSrc[189];
pDst[190] = pSrc[190]; pDst[191] = pSrc[191];
pDst[192] = pSrc[192]; pDst[193] = pSrc[193];
pDst[194] = pSrc[194]; pDst[195] = pSrc[195];
pDst[196] = pSrc[196]; pDst[197] = pSrc[197];
pDst[198] = pSrc[198]; pDst[199] = pSrc[199];
pDst[200] = pSrc[200]; pDst[201] = pSrc[201];
pDst[202] = pSrc[202]; pDst[203] = pSrc[203];
pDst[204] = pSrc[204]; pDst[205] = pSrc[205];
pDst[206] = pSrc[206]; pDst[207] = pSrc[207];
pDst[208] = pSrc[208]; pDst[209] = pSrc[209];
pDst[210] = pSrc[210]; pDst[211] = pSrc[211];
pDst[212] = pSrc[212]; pDst[213] = pSrc[213];
pDst[214] = pSrc[214]; pDst[215] = pSrc[215];
pDst[216] = pSrc[216]; pDst[217] = pSrc[217];
pDst[218] = pSrc[218]; pDst[219] = pSrc[219];
pDst[220] = pSrc[220]; pDst[221] = pSrc[221];
pDst[222] = pSrc[222]; pDst[223] = pSrc[223];
pDst[224] = pSrc[224]; pDst[225] = pSrc[225];
pDst[226] = pSrc[226]; pDst[227] = pSrc[227];
pDst[228] = pSrc[228]; pDst[229] = pSrc[229];
pDst[230] = pSrc[230]; pDst[231] = pSrc[231];
pDst[232] = pSrc[232]; pDst[233] = pSrc[233];
pDst[234] = pSrc[234]; pDst[235] = pSrc[235];
pDst[236] = pSrc[236]; pDst[237] = pSrc[237];
pDst[238] = pSrc[238]; pDst[239] = pSrc[239];
pDst[240] = pSrc[240]; pDst[241] = pSrc[241];
pDst[242] = pSrc[242]; pDst[243] = pSrc[243];
pDst[244] = pSrc[244]; pDst[245] = pSrc[245];
pDst[246] = pSrc[246]; pDst[247] = pSrc[247];
pDst[248] = pSrc[248]; pDst[249] = pSrc[249];
pDst[250] = pSrc[250]; pDst[251] = pSrc[251];
pDst[252] = pSrc[252]; pDst[253] = pSrc[253];
pDst[254] = pSrc[254]; pDst[255] = pSrc[255];
}
#endif
#ifdef XF86DRI_DEVEL
ATIDRIUnlock(pScreenInfo);
#endif /* XF86DRI_DEVEL */
}
/*
* ATIMach64HideCursor --
*
* Turn off hardware cursor.
*/
static void
ATIMach64HideCursor
(
ScrnInfoPtr pScreenInfo
)
{
ATIPtr pATI = ATIPTR(pScreenInfo);
if (!(pATI->NewHW.gen_test_cntl & GEN_CUR_EN))
return;
pATI->NewHW.gen_test_cntl &= ~GEN_CUR_EN;
out8(GEN_TEST_CNTL, GetByte(pATI->NewHW.gen_test_cntl, 0));
}
/*
* ATIMach64ShowCursor --
*
* Turn on hardware cursor.
*/
static void
ATIMach64ShowCursor
(
ScrnInfoPtr pScreenInfo
)
{
ATIPtr pATI = ATIPTR(pScreenInfo);
if (pATI->NewHW.gen_test_cntl & GEN_CUR_EN)
return;
pATI->NewHW.gen_test_cntl |= GEN_CUR_EN;
out8(GEN_TEST_CNTL, GetByte(pATI->NewHW.gen_test_cntl, 0));
}
/*
* ATIMach64UseHWCursor --
*
* Notify cursor layer whether a hardware cursor is configured.
*/
static Bool
ATIMach64UseHWCursor
(
ScreenPtr pScreen,
CursorPtr pCursor
)
{
ScrnInfoPtr pScreenInfo = xf86ScreenToScrn(pScreen);
ATIPtr pATI = ATIPTR(pScreenInfo);
if (!pATI->CursorBase)
return FALSE;
return TRUE;
}
/*
* ATIMach64CursorInit --
*
* Initialise xf86CursorInfoRec fields with information specific to Mach64
* variants.
*/
Bool
ATIMach64CursorInit
(
ScreenPtr pScreen
)
{
ScrnInfoPtr pScreenInfo = xf86ScreenToScrn(pScreen);
ATIPtr pATI = ATIPTR(pScreenInfo);
xf86CursorInfoPtr pCursorInfo;
/* Initialise software cursor */
if (!miDCInitialize(pScreen, xf86GetPointerScreenFuncs()))
return FALSE;
if (pATI->Cursor == ATI_CURSOR_SOFTWARE)
return TRUE;
/* Initialise hardware cursor */
if (!(pATI->pCursorInfo = xf86CreateCursorInfoRec()))
return FALSE;
pCursorInfo = pATI->pCursorInfo;
/*
* For Mach64 variants, toggling hardware cursors off and on causes display
* artifacts. Ask the cursor support layers to always paint the cursor
* (whether or not it is entirely transparent) and to not hide the cursor
* when reloading its image. The two remaining reasons for turning off the
* hardware cursor are when it moves to a different screen or on a switch
* to a different virtual console.
*/
pCursorInfo->Flags = HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
HARDWARE_CURSOR_INVERT_MASK |
HARDWARE_CURSOR_SHOW_TRANSPARENT |
HARDWARE_CURSOR_UPDATE_UNHIDDEN |
HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
#if X_BYTE_ORDER != X_LITTLE_ENDIAN
HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
#endif /* X_BYTE_ORDER */
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1;
pCursorInfo->MaxWidth = pCursorInfo->MaxHeight = 64;
pCursorInfo->SetCursorColors = ATIMach64SetCursorColours;
pCursorInfo->SetCursorPosition = ATIMach64SetCursorPosition;
pCursorInfo->LoadCursorImage = ATIMach64LoadCursorImage;
pCursorInfo->HideCursor = ATIMach64HideCursor;
pCursorInfo->ShowCursor = ATIMach64ShowCursor;
pCursorInfo->UseHWCursor = ATIMach64UseHWCursor;
if (!xf86InitCursor(pScreen, pATI->pCursorInfo))
{
xf86DestroyCursorInfoRec(pATI->pCursorInfo);
pATI->pCursorInfo = NULL;
return FALSE;
}
xf86SetSilkenMouse(pScreen);
return TRUE;
}
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